notify_slack
Post a message to THIS project
This record as markdown: /tools/ai-featureboard-featureboard/notify-slack.md
What notify_slack does on FeatureBoard
AI agents use notify_slack to create or update resources in FeatureBoard, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your FeatureBoard environment.
Why notify_slack is rated Medium
Posting a message is a Write action: it creates new data (the message) in an external system (Slack) that can be modified or deleted later. The blast radius is medium because an AI agent could spam channels, post misleading information, or impersonate the user through message posting, but the damage is reversible and contained to Slack notifications rather than data deletion or financial impact.
From the tool's definition Tool name 'notify_slack' and description 'Post a message to THIS project' indicate creation of a new message artifact in Slack, which is a reversible write operation.
Attacks that exploit this kind of access
The rule that runs notify_slack safely
PolicyLayer is an MCP gateway: it sits between your AI agents and FeatureBoard, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For notify_slack, this is the rule to start with:
notify_slack stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect FeatureBoard, apply this rule, and every notify_slack call is checked against it from then on.
Questions about notify_slack
Post a message to THIS project. It is categorised as a Write tool in the FeatureBoard MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the FeatureBoard MCP server in PolicyLayer and add a rule for notify_slack: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches FeatureBoard. Nothing to install.
notify_slack is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the notify_slack rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for notify_slack. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
notify_slack is provided by the FeatureBoard MCP server (https://github.com/valentil/featureboard-mcp/releases/download/v0.7/featureboard.plugin). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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